EP1136927A3 - Système de gestion des droits de participation anonyme - Google Patents

Système de gestion des droits de participation anonyme Download PDF

Info

Publication number
EP1136927A3
EP1136927A3 EP01101378A EP01101378A EP1136927A3 EP 1136927 A3 EP1136927 A3 EP 1136927A3 EP 01101378 A EP01101378 A EP 01101378A EP 01101378 A EP01101378 A EP 01101378A EP 1136927 A3 EP1136927 A3 EP 1136927A3
Authority
EP
European Patent Office
Prior art keywords
participant
anonymous
session
subsystem
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01101378A
Other languages
German (de)
English (en)
Other versions
EP1136927A2 (fr
EP1136927B1 (fr
Inventor
Kazue Sako
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP1136927A2 publication Critical patent/EP1136927A2/fr
Publication of EP1136927A3 publication Critical patent/EP1136927A3/fr
Application granted granted Critical
Publication of EP1136927B1 publication Critical patent/EP1136927B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3257—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using blind signatures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/383—Anonymous user system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3255—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using group based signatures, e.g. ring or threshold signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/42—Anonymization, e.g. involving pseudonyms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/46—Secure multiparty computation, e.g. millionaire problem
    • H04L2209/463—Electronic voting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Computing Systems (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
EP01101378.6A 2000-01-21 2001-01-22 Système de gestion de droits de participation anonyme Expired - Lifetime EP1136927B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000012490A JP2001202013A (ja) 2000-01-21 2000-01-21 匿名参加権限管理システム
JP2000012490 2000-01-21

Publications (3)

Publication Number Publication Date
EP1136927A2 EP1136927A2 (fr) 2001-09-26
EP1136927A3 true EP1136927A3 (fr) 2003-11-05
EP1136927B1 EP1136927B1 (fr) 2015-07-29

Family

ID=18540199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01101378.6A Expired - Lifetime EP1136927B1 (fr) 2000-01-21 2001-01-22 Système de gestion de droits de participation anonyme

Country Status (6)

Country Link
US (1) US7117368B2 (fr)
EP (1) EP1136927B1 (fr)
JP (1) JP2001202013A (fr)
AU (1) AU780858B2 (fr)
CA (1) CA2331991C (fr)
SG (1) SG108237A1 (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050049082A1 (en) * 1998-03-18 2005-03-03 Callaway Golf Company Golf ball
US20060085647A1 (en) * 2000-03-24 2006-04-20 Neff C A Detecting compromised ballots
US7043760B2 (en) * 2000-10-11 2006-05-09 David H. Holtzman System and method for establishing and managing relationships between pseudonymous identifications and memberships in organizations
US7197470B1 (en) 2000-10-11 2007-03-27 Buzzmetrics, Ltd. System and method for collection analysis of electronic discussion methods
US7185065B1 (en) * 2000-10-11 2007-02-27 Buzzmetrics Ltd System and method for scoring electronic messages
EP1225530B1 (fr) 2001-01-18 2005-10-26 Nippon Telegraph and Telephone Corporation Système, méthode et programme pour la concurrence quantitative et medium de stockage pour le programme associé
US8554607B2 (en) * 2001-03-13 2013-10-08 Science Applications International Corporation Method and system for securing network-based electronic voting
KR100727281B1 (ko) * 2001-03-24 2007-06-13 데이트그리티 코포레이션 검증가능한 비밀 셔플들 및 전자 투표에 대한 그 응용
JP4574957B2 (ja) * 2002-05-30 2010-11-04 株式会社東芝 グループ管理機関装置、利用者装置、サービス提供者装置及びプログラム
FR2842680A1 (fr) * 2002-07-19 2004-01-23 France Telecom Procede de signature de liste et application au vote electronique
US7058682B2 (en) * 2002-07-25 2006-06-06 International Business Machines Corporation Instant messaging blind join
FR2847401A1 (fr) * 2002-11-14 2004-05-21 France Telecom Procede d'acces a un service avec authentification rapide et anonymat revocable et systeme d'ouverture et de maintien de session
US20070005989A1 (en) * 2003-03-21 2007-01-04 Conrado Claudine V User identity privacy in authorization certificates
AU2004201058B1 (en) * 2004-03-15 2004-09-09 Lockstep Consulting Pty Ltd Means and method of issuing Anonymous Public Key Certificates for indexing electronic record systems
US8352380B2 (en) * 2004-05-19 2013-01-08 France Telecom Method and system for generating a list signature
CA2567727A1 (fr) * 2004-06-07 2005-12-22 Dategrity Corporation Systemes et procedes cryptographiques, notamment verification d'intentions pratiques de grande certitude, par exemple pour des votes cryptes dans le cadre d'une election electronique
JP4768979B2 (ja) * 2004-10-19 2011-09-07 株式会社東芝 匿名注文システム、装置及びプログラム
JP2006227814A (ja) * 2005-02-16 2006-08-31 Toshiba Corp 匿名サービス提供システム、装置及びプログラム
JP4518397B2 (ja) * 2005-03-18 2010-08-04 日本電信電話株式会社 署名生成者同一性検証方法及びシステム、並びにプログラム
US9158855B2 (en) 2005-06-16 2015-10-13 Buzzmetrics, Ltd Extracting structured data from weblogs
US20070100779A1 (en) * 2005-08-05 2007-05-03 Ori Levy Method and system for extracting web data
CN1937496A (zh) 2005-09-21 2007-03-28 日电（中国）有限公司 可延展伪名证书系统和方法
US8615801B2 (en) * 2006-08-31 2013-12-24 Microsoft Corporation Software authorization utilizing software reputation
FR2911025A1 (fr) * 2006-12-27 2008-07-04 France Telecom Procede de signature de liste anonyme et tracable sans levee d'anonymat
FR2911024A1 (fr) * 2006-12-27 2008-07-04 France Telecom Procede de signature de liste anonyme et correlable
US9129262B2 (en) * 2007-01-23 2015-09-08 Kabushiki Kaisha Toshiba Shop apparatus and purchaser apparatus
KR101099814B1 (ko) * 2007-07-11 2011-12-27 도시바 솔루션 가부시끼가이샤 그룹 서명 시스템, 장치 및 기록 매체
US9237167B1 (en) * 2008-01-18 2016-01-12 Jpmorgan Chase Bank, N.A. Systems and methods for performing network counter measures
JP4764447B2 (ja) * 2008-03-19 2011-09-07 株式会社東芝 グループ署名システム、装置及びプログラム
WO2011144247A1 (fr) * 2010-05-20 2011-11-24 Hewlett-Packard Development Company, L.P. Procédé et dispositif de signature numérique
US10079807B2 (en) * 2016-02-09 2018-09-18 Ca, Inc. Anonymous messaging in an instant message group conversation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68924040T2 (de) * 1988-10-24 1996-04-18 Ibm Verfahren zum Austauschen von Daten zwischen Programmen in einem Datenverarbeitungssystem.
US5230051A (en) * 1990-09-04 1993-07-20 Hewlett-Packard Company Distributed messaging system and method
EP0689139A3 (fr) * 1994-06-22 1997-09-10 Ibm Méthode et appareil à port de réponse anonyme pour un système de traitement de données à micro-noyaux
US5495532A (en) * 1994-08-19 1996-02-27 Nec Research Institute, Inc. Secure electronic voting using partially compatible homomorphisms
US5682430A (en) * 1995-01-23 1997-10-28 Nec Research Institute, Inc. Secure anonymous message transfer and voting scheme
US6092051A (en) * 1995-05-19 2000-07-18 Nec Research Institute, Inc. Secure receipt-free electronic voting
FR2738934B1 (fr) * 1995-09-15 1997-11-28 Thomson Multimedia Sa Systeme de comptabilisation anonyme d'informations a des fins statistiques, notamment pour des operations de vote electronique ou de releves periodiques de consommation
US6055518A (en) * 1996-02-01 2000-04-25 At&T Corporation Secure auction systems
US20010034708A1 (en) * 1996-09-06 2001-10-25 Walker Jay S. Method and system for establishing and maintaining user-controlled anonymous communications
US6317833B1 (en) * 1998-11-23 2001-11-13 Lucent Technologies, Inc. Practical mix-based election scheme
US6636969B1 (en) * 1999-04-26 2003-10-21 Lucent Technologies Inc. Digital signatures having revokable anonymity and improved traceability

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
ATENIESE G ET AL: "Some open issues and new directions in group signatures", FINANCIAL CRYPTOGRAPHY. THIRD INTERNATIONAL CONFERENCE, FC'99. PROCEEDINGS (LECTURE NOTES IN COMPUTER SCIENCE VOL.1648), FINANCIAL CRYPTOGRAPHY. THIRD INTERNATIONAL CONFERENCE, FC'99. PROCEEDINGS, ANGUILLA, 22-25 FEB. 1999, 1999, Berlin, Germany, Springer-Verlag, Germany, pages 196 - 211, XP002252934, ISBN: 3-540-66362-2 *
CAMENISCH J ET AL: "EFFICIENT GROUP SIGNATURE SCHEMES FOR LARGE GROUPS", ADVANCES IN CRYPTOLOGY - CRYPTO '97. SANTA BARBARA, AUG. 17 - 21, 1997, PROCEEDINGS OF THE ANNUAL INTERNATIONAL CRYPTOLOGY CONFERENCE (CRYPTO), BERLIN, SPRINGER, DE, vol. CONF. 17, 17 August 1997 (1997-08-17), pages 410 - 424, XP000767547, ISBN: 3-540-63384-7 *
CRANOR L F ET AL: "Sensus: a security-conscious electronic polling system for the Internet", SYSTEM SCIENCES, 1997, PROCEEDINGS OF THE THIRTIETH HWAII INTERNATIONAL CONFERENCE ON WAILEA, HI, USA 7-10 JAN. 1997, LOS ALAMITOS, CA, USA,IEEE COMPUT. SOC, US, 7 January 1997 (1997-01-07), pages 561 - 570, XP010271743, ISBN: 0-8186-7743-0 *
JINN-KE JAN ET AL: "A secure electronic voting protocol with IC cards", SECURITY TECHNOLOGY, 1995. PROCEEDINGS. INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS 29TH ANNUAL 1995 INTERNATIONAL CARNAHAN CONFERENCE ON SANDERSTEAD, UK 18-20 OCT. 1995, NEW YORK, NY, USA,IEEE, US, 18 October 1995 (1995-10-18), pages 259 - 265, XP010196424, ISBN: 0-7803-2627-X *
KILIAN J ET AL: "IDENTITY ESCROW", ADVANCES IN CRYPTOLOGY. CRYPTO '98. 18TH ANNUAL INTERNATIONAL CRYPTOLOGY CONFERENCE. SANTA BARBARA, AUG. 23 - 27, 1998. PROCEEDINGS, LECTURE NOTES IN COMPUTER SCIENCE;VOL. 1462, BERLIN: SPRINGER, DE, 23 August 1998 (1998-08-23), pages 169 - 185, XP000792174, ISBN: 3-540-64892-5 *
YI MU ET AL: "Anonymous secure e-voting over a network", COMPUTER SECURITY APPLICATIONS CONFERENCE, 1998. PROCEEDINGS. 14TH ANNUAL PHOENIX, AZ, USA 7-11 DEC. 1998, LOS ALAMITOS, CA, USA,IEEE COMPUT. SOC, US, 7 December 1998 (1998-12-07), pages 293 - 299, XP010318642, ISBN: 0-8186-8789-4 *

Also Published As

Publication number Publication date
CA2331991C (fr) 2006-02-14
EP1136927A2 (fr) 2001-09-26
AU1639001A (en) 2001-07-26
US20010011351A1 (en) 2001-08-02
US7117368B2 (en) 2006-10-03
CA2331991A1 (fr) 2001-07-21
JP2001202013A (ja) 2001-07-27
EP1136927B1 (fr) 2015-07-29
AU780858B2 (en) 2005-04-21
SG108237A1 (en) 2005-01-28

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